Ionia Weather Forecast
- 29
- 33
Chance Snow
- 33
- 41
Rain
- 31
- 37
Slight Chance Snow Showers
- 39
- 46
Rain Showers Likely
- 41
- 50
Rain Showers Likely
- 27
- 52
Chance Rain/Snow
Today 5 Jan Ontario
Cloudy. Snow likely Early, then a chance of snow through early afternoon. Accumulation 1 to 2 Inches. Highs in the lower 30s. Light south Winds. Chance of snow 60 percent.
Tonight 5 Jan Ontario
Cloudy and not as cold with Lows in the upper 20s. Light southwest Winds.
Ionia Temperature Statistics
January Temperature
Rochester, Greater Rochester International Airport (15.5 miles)
Lowest 1 January, 2026
9 °FAverage January
18.5 °FHighest 3 January, 2026
25 °F
Climate (2021–Present)
Rochester, Greater Rochester International Airport (15.5 miles)
Average Low 2021–2026
42.4 °FAverage 2021–2026
50.8 °FAverage High 2021–2026
59.5 °F